Home / 8,370.61-12,555.82-2,045.55

Finding the Fourth Proportional to 8,370.61, 12,555.82 and 2,045.55

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Solution

The fourth proportional to 8,370.61, 12,555.82 and 2,045.55 is: 3,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.61 : 12,555.82 = 2,045.55 : x
  2. Step 2: Convert to fraction form
    8,370.61/12,555.82 = 2,045.55/x
  3. Step 3: Cross multiply
    8,370.61x = 12,555.82 × 2,045.55
  4. Step 4: Simplify right side
    8,370.61x = 25,683,557.60
  5. Step 5: Solve for x
    x = 25,683,557.60/8,370.61
  6. Step 6: Final answer
    x = 3,068.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.